Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Conveniently located in the heart of the city, Britannica International School Shanghai delivers the best of British ...

慢性阻塞性肺病（COPD，简称慢阻肺病）是一种以气流受限为主要特征的慢性呼吸道疾病，它与气道、肺部对有害气体或有毒颗粒的慢性炎性反应密切相关，并且有可能进一步发展为慢性肺源性心脏病和呼吸衰竭。慢阻肺病发病机制复杂，目前普遍认为它是多种基因遗传与环境因 ...